Skipping the manufacturer's instructions during installation may result in a furnace that fails within six months or less. For example, heat exchangers can crack from improper venting, and gas valves ...

Rosanne is an interior design and home improvement writer with 8 years of experience. During that time she has worked with numerous businesses and publications. Rosanne has been with Forbes Home for ...

Replacing the old furnace in your central heating system with a new, more efficient model can offset volatile energy prices. Money aside, today’s furnaces pollute less and boost comfort by producing ...